428368677 has 24 divisors (see below), whose sum is σ = 629768832. Its totient is φ = 258804480.

The previous prime is 428368643. The next prime is 428368687. The reversal of 428368677 is 776863824.

It is not a de Polignac number, because 428368677 - 2¹⁸ = 428106533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428368687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126468 + ... + 129810.

It is an arithmetic number, because the mean of its divisors is an integer number (26240368).

Almost surely, 2^428368677 is an apocalyptic number.

It is an amenable number.

428368677 is a deficient number, since it is larger than the sum of its proper divisors (201400155).

428368677 is a wasteful number, since it uses less digits than its factorization.

428368677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721 (or 3710 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 428368677 is about 20697.0692852877. The cubic root of 428368677 is about 753.8285281308.

The spelling of 428368677 in words is "four hundred twenty-eight million, three hundred sixty-eight thousand, six hundred seventy-seven".